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CVE-2013-2852

28
FAUCET Score

CVE-2013-2852 is a format string vulnerability in the Broadcom B43 wireless driver (b43_request_firmware function) within the Linux kernel, affecting various distributions including Canonical and Debian. This flaw allows a local attacker with root access to escalate privileges by manipulating the 'fwpostfix' modprobe parameter with format string specifiers, leading to improper error message construction. The vulnerability has a CVSS score of 6.9, indicating high severity with local access, medium attack complexity, and complete confidentiality, integrity, and availability impacts. While not listed on the KEV catalog, an exploit (EDB-38559) exists on ExploitDB, though there is no evidence of active exploitation, Metasploit modules, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.6.12, < 3.0.83CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.1, < 3.2.47CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.3, < 3.4.50CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.5, < 3.9.7CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.9MEDIUM

AV:L/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.02%
Probability of exploitation in next 30 days
EPSS Percentile
60.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-38559 · Jun 7, 2013
This CVE's current EPSS score of 0.0102 is in the 90th percentile among its peer group of 1,595 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: OpenStack 3 for RHEL 6Fixed in: kernel-0:2.6.32-358.114.1.openstack.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-358.14.1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.3 EUS - Server and Compute Node OnlyFixed in: kernel-0:2.6.32-279.37.2.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: kernel-rt-0:3.6.11.5-rt37.55.el6rt
View patch

Vendor Advisories (1)

redhatCVE-2013-2852Low

kernel: b43: format string leaking into error msgs

Jun 6, 2013

References

git.kernel.org / cgit/linux/kernel/git/linville/wireless.git/commit
lists.opensuse.org / opensuse-security-announce/2013-09/msg00003.html
lists.opensuse.org / opensuse-updates/2013-12/msg00129.html
rhn.redhat.com / errata/RHSA-2013-1051.html
rhn.redhat.com / errata/RHSA-2013-1450.html
bugzilla.redhat.com / show_bug.cgi
debian.org / security/2013/dsa-2766
openwall.com / lists/oss-security/2013/06/06/13
ubuntu.com / usn/USN-1899-1
ubuntu.com / usn/USN-1900-1
ubuntu.com / usn/USN-1914-1
ubuntu.com / usn/USN-1915-1
ubuntu.com / usn/USN-1916-1
ubuntu.com / usn/USN-1917-1
ubuntu.com / usn/USN-1918-1
ubuntu.com / usn/USN-1919-1
ubuntu.com / usn/USN-1920-1
ubuntu.com / usn/USN-1930-1